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- Union Adaptors UNF
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Union Adaptors UNF
ApplicationThe main function of the system is to enable the two pipes to b e joined without rotation. The main function of the two pipes is explosion-proof lamps and explosion-proof boxes, and most of them are used for general pipe work.
Specification
| Explosion proof execution | Ex db IIC Gb, Ex tb IIIC Db IP66/IP65 IP66: 1/2"～3", IP65: 4. |
| Certificate issued by | TÜV Rheinland / TS mark |
| Material | Ductile Iron-Zinc Electroplated / Ductile Iron-Powder Paint / D uctile iron-Hot Dip Galvanized / Stainless Steel 304 / Stainless Steel 316 |
| Designation part number system | ||||
| 1 | 2 | 3 | 4 | 5 |
| Certification Unit | Name of fitting | Hub Size | Thread Standard | Material |
| 1 Certification Unit / Code | |||||
| International Electrotechnical Commission / IEC | |||||
| 2 Name of fitting / Code | |||||
| UNF / UNY | |||||
| 2 Hub / Code | |||||||||
| Hub Size | 1/2" | 3/4" | 1 | 1-1/4" | 1-1/2" | 2" | 2-1/2" | 3" | 4" |
| Code | 050 | 075 | 100 | 125 | 150 | 200 | 250 | 300 | 400 |
| 3 Thread Standards / Code | |||||
| Thread Standards | Code | ||||
| NPT | N | ||||
| 4 Material / Finish / Code | ||||||
| Material | Finish | Code | ||||
| Ductile iron | Zinc Electroplated | E | ||||
| Ductile iron | Powder Paint | E2 | ||||
| SUS304 | S4 | |||||
| Ductile iron | Hot Dip Galvanized | H | ||||
| SUS316 | S6 | |||||
| Example | ||||
| IEC | UNY | 075 | N | E2 |
| Certification Unit | Name of fitting | Hub Size | Thread Standard | Material |
| IEC | Male &Female Union Adaptors | 3/4" | NPT | Powder Paint |
| IEC | UNF | 250 | N | H |
| Certification Unit | Name of fitting | Hub Size & Type | Thread Standard | Material |
| IEC | Female Union Adaptors | 2-1/2" | NPT | Ductile iron |
Introduction
| 規格 | Dimensions (mm) | ||
| Hub Size | A | B | C |
| 1/2" | 39 | 53 | 40 |
| 3/4" | 46 | 57 | 42 |
| 1" | 51 | 71 | 52 |
| 1-1/4" | 67 | 71 | 47 |
| 1-1/2" | 74 | 69 | 53 |
| 2" | 87 | 85 | 61 |
| 2-1/2" | 106 | 95 | 70 |
| 3" | 123 | 97 | 70 |
| 4" | 146 | 110 | 80 |
| · Tolerance: ±5% | |||
| Instruction of UNY / UNF | ||||
| A |
Disassemble the union adaptors apart, and be aware of to pass
external threads (M) or internal threads (F) through cap nut (SM) and tighten it on the jack of relevant box. |
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| B | Connect the wiring part with Y-type internal thread (FY). | |||
| C | Tighten external threads (M) or internal threads (F) with Y-type internal thread (FY) by using cap nut (SM), and make sure that it is tightened well enough that external threads (M) or internal threads (F) is unable to turn easily. |
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| D | While working, it needs to be aware of that the accessories and related parts must all be vertical with the wiring, thus it will not cause any possibility of damage on internal electric wires. |
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